vendor/symfony/http-foundation/Session/Flash/FlashBagInterface.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpFoundation\Session\Flash;

use Symfony\Component\HttpFoundation\Session\SessionBagInterface;

/**
 * FlashBagInterface.
 *
 * @author Drak <drak@zikula.org>
 */
interface FlashBagInterface extends SessionBagInterface
{
    /**
     * Adds a flash message for the given type.
     *
     * @param mixed $message
     */
    public function add(string $type, $message);

    /**
     * Registers one or more messages for a given type.
     *
     * @param string|array $messages
     */
    public function set(string $type, $messages);

    /**
     * Gets flash messages for a given type.
     *
     * @param string $type    Message category type
     * @param array  $default Default value if $type does not exist
     *
     * @return array
     */
    public function peek(string $type, array $default = []);

    /**
     * Gets all flash messages.
     *
     * @return array
     */
    public function peekAll();

    /**
     * Gets and clears flash from the stack.
     *
     * @param array $default Default value if $type does not exist
     *
     * @return array
     */